Sharp FDD-412A Service Manual page 31

(
4)
(5)
FDD412A/B
Read circuit operation
(a)
(b)
(c)
VFO
(a)
(b)
QOOO®
Read circuit operation flow
1 0 1 1 0 0
® Differentiated
waveshape
) Square wave
Filter switchover
Operation
1 0 1 i 0 0 0 1 1
Read data
Fak || aera
| Reet: | SMe: | Weiter | CoOENNRD! | COREENEE: | 00S
Mees a se cl lee ahd
(VFO CLOCK)
Baa
Separated data
(SEP DATA)
~5—